Bar Harbor, Maine, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
August Air Quality Analysis
Bar Harbor, Maine, United States
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
89AQILowest AQI recorded on
21st Aug 2024
7AQISame Day Analysis (8th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 32 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 7th Aug - 8th Aug 2026
Bar Harbor, Maine, United States
AQI
Day
Night
.
5 AM7th Aug 2026
8 PM
4 AM8th Aug 2026
Day time
Avg. Highest Time
10AM7th Aug
39AQI
Avg. Lowest Time
6PM7th Aug
26AQI
Night time
Avg. Highest Time
4AM8th Aug
43AQI
Avg. Lowest Time
8PM7th Aug
24AQI
In the last 24 hours,
Bar Harbor's AQI reached its highest point of 43 at 4 AM during the Night, while the lowest point, 24, was recorded at 8 PM during the Night between 7th Aug and 8th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Bar Harbor, Maine, United States
JulAug
10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th
Day
Night
10th Jul 2026105 AMAQI
10th Jul 2026136 AMAQI
10th Jul 2026127 AMAQI
10th Jul 2026318 AMAQI
10th Jul 2026109 AMAQI
10th Jul 20262510 AMAQI
10th Jul 20261411 AMAQI
10th Jul 2026912 PMAQI
10th Jul 202681 PMAQI
10th Jul 2026182 PMAQI
10th Jul 2026103 PMAQI
10th Jul 2026104 PMAQI
10th Jul 2026105 PMAQI
10th Jul 2026106 PMAQI
10th Jul 2026117 PMAQI
10th Jul 2026178 PMAQI
10th Jul 2026189 PMAQI
10th Jul 20261710 PMAQI
10th Jul 20261411 PMAQI
11th Jul 20261212 AMAQI
11th Jul 2026131 AMAQI
11th Jul 2026112 AMAQI
11th Jul 2026103 AMAQI
11th Jul 2026204 AMAQI
24°C19/28°C
11th Jul 2026185 AMAQI
11th Jul 2026186 AMAQI
11th Jul 2026187 AMAQI
11th Jul 2026198 AMAQI
11th Jul 2026179 AMAQI
11th Jul 20261610 AMAQI
11th Jul 20261311 AMAQI
11th Jul 2026912 PMAQI
11th Jul 2026161 PMAQI
11th Jul 202692 PMAQI
11th Jul 2026103 PMAQI
11th Jul 2026114 PMAQI
11th Jul 2026235 PMAQI
11th Jul 2026146 PMAQI
11th Jul 2026117 PMAQI
11th Jul 202688 PMAQI
11th Jul 202689 PMAQI
11th Jul 20261610 PMAQI
11th Jul 20261611 PMAQI
12th Jul 20261612 AMAQI
12th Jul 2026181 AMAQI
12th Jul 2026162 AMAQI
12th Jul 2026143 AMAQI
12th Jul 2026204 AMAQI
22°C15/28°C
12th Jul 2026185 AMAQI
12th Jul 2026206 AMAQI
12th Jul 2026167 AMAQI
12th Jul 2026208 AMAQI
12th Jul 2026199 AMAQI
12th Jul 20261910 AMAQI
12th Jul 20261811 AMAQI
12th Jul 20262412 PMAQI
12th Jul 202681 PMAQI
12th Jul 2026132 PMAQI
12th Jul 2026253 PMAQI
12th Jul 2026254 PMAQI
12th Jul 2026275 PMAQI
12th Jul 2026156 PMAQI
12th Jul 2026107 PMAQI
12th Jul 2026148 PMAQI
12th Jul 2026159 PMAQI
12th Jul 20261110 PMAQI
12th Jul 20261411 PMAQI
13th Jul 2026812 AMAQI
13th Jul 2026161 AMAQI
13th Jul 2026242 AMAQI
13th Jul 2026213 AMAQI
13th Jul 2026304 AMAQI
22°C14/29°C
13th Jul 2026305 AMAQI
13th Jul 2026316 AMAQI
13th Jul 2026297 AMAQI
13th Jul 2026278 AMAQI
13th Jul 2026269 AMAQI
13th Jul 20261710 AMAQI
13th Jul 20262311 AMAQI
13th Jul 20262512 PMAQI
13th Jul 2026201 PMAQI
13th Jul 2026182 PMAQI
13th Jul 2026223 PMAQI
13th Jul 2026204 PMAQI
13th Jul 2026215 PMAQI
13th Jul 2026126 PMAQI
13th Jul 2026127 PMAQI
13th Jul 2026188 PMAQI
13th Jul 2026209 PMAQI
13th Jul 20261810 PMAQI
13th Jul 20261311 PMAQI
14th Jul 20261212 AMAQI
14th Jul 2026141 AMAQI
14th Jul 2026222 AMAQI
14th Jul 2026203 AMAQI
14th Jul 2026204 AMAQI
21°C14/27°C
14th Jul 2026205 AMAQI
14th Jul 2026226 AMAQI
14th Jul 2026177 AMAQI
14th Jul 2026168 AMAQI
14th Jul 2026209 AMAQI
14th Jul 20261910 AMAQI
14th Jul 20261611 AMAQI
14th Jul 20261812 PMAQI
14th Jul 2026201 PMAQI
14th Jul 2026272 PMAQI
14th Jul 2026233 PMAQI
14th Jul 2026164 PMAQI
14th Jul 2026165 PMAQI
14th Jul 2026176 PMAQI
14th Jul 2026247 PMAQI
14th Jul 2026258 PMAQI
14th Jul 2026269 PMAQI
14th Jul 20261710 PMAQI
14th Jul 20261811 PMAQI
15th Jul 20261812 AMAQI
15th Jul 2026181 AMAQI
15th Jul 2026172 AMAQI
15th Jul 2026403 AMAQI
15th Jul 2026294 AMAQI
23°C17/30°C
15th Jul 2026375 AMAQI
15th Jul 2026326 AMAQI
15th Jul 2026347 AMAQI
15th Jul 2026368 AMAQI
15th Jul 2026369 AMAQI
15th Jul 20264410 AMAQI
15th Jul 20263811 AMAQI
15th Jul 20263512 PMAQI
15th Jul 2026311 PMAQI
15th Jul 2026272 PMAQI
15th Jul 2026363 PMAQI
15th Jul 2026244 PMAQI
15th Jul 2026295 PMAQI
15th Jul 2026296 PMAQI
15th Jul 2026297 PMAQI
15th Jul 2026258 PMAQI
15th Jul 2026229 PMAQI
15th Jul 20261910 PMAQI
15th Jul 20262111 PMAQI
16th Jul 20262312 AMAQI
16th Jul 2026241 AMAQI
16th Jul 2026152 AMAQI
16th Jul 2026103 AMAQI
16th Jul 2026194 AMAQI
25°C21/32°C
16th Jul 202695 AMAQI
16th Jul 2026146 AMAQI
16th Jul 2026177 AMAQI
16th Jul 2026178 AMAQI
16th Jul 2026189 AMAQI
16th Jul 20262310 AMAQI
16th Jul 20261411 AMAQI
16th Jul 20261212 PMAQI
16th Jul 2026191 PMAQI
16th Jul 2026142 PMAQI
16th Jul 2026183 PMAQI
16th Jul 2026214 PMAQI
16th Jul 2026215 PMAQI
16th Jul 2026146 PMAQI
16th Jul 2026137 PMAQI
16th Jul 2026128 PMAQI
16th Jul 202689 PMAQI
16th Jul 2026810 PMAQI
16th Jul 20261211 PMAQI
17th Jul 2026912 AMAQI
17th Jul 2026151 AMAQI
17th Jul 2026172 AMAQI
17th Jul 2026203 AMAQI
17th Jul 2026254 AMAQI
21°C16/29°C
17th Jul 2026295 AMAQI
17th Jul 2026506 AMAQI
17th Jul 2026447 AMAQI
17th Jul 2026418 AMAQI
17th Jul 2026289 AMAQI
17th Jul 20263610 AMAQI
17th Jul 20263711 AMAQI
17th Jul 20263512 PMAQI
17th Jul 2026401 PMAQI
17th Jul 2026362 PMAQI
17th Jul 2026403 PMAQI
17th Jul 2026424 PMAQI
17th Jul 2026235 PMAQI
17th Jul 2026246 PMAQI
17th Jul 2026287 PMAQI
17th Jul 2026378 PMAQI
17th Jul 2026339 PMAQI
17th Jul 20262510 PMAQI
17th Jul 20263011 PMAQI
18th Jul 20262512 AMAQI
18th Jul 2026481 AMAQI
18th Jul 2026272 AMAQI
18th Jul 2026343 AMAQI
18th Jul 2026424 AMAQI
20°C14/27°C
18th Jul 2026345 AMAQI
18th Jul 2026326 AMAQI
18th Jul 2026477 AMAQI
18th Jul 2026298 AMAQI
18th Jul 2026319 AMAQI
18th Jul 20263010 AMAQI
18th Jul 20263211 AMAQI
18th Jul 20263212 PMAQI
18th Jul 2026351 PMAQI
18th Jul 2026382 PMAQI
18th Jul 2026243 PMAQI
18th Jul 2026354 PMAQI
18th Jul 2026475 PMAQI
18th Jul 2026546 PMAQI
18th Jul 2026567 PMAQI
18th Jul 2026548 PMAQI
18th Jul 2026579 PMAQI
18th Jul 20266310 PMAQI
18th Jul 20266211 PMAQI
19th Jul 20266412 AMAQI
19th Jul 2026801 AMAQI
19th Jul 20261092 AMAQI
19th Jul 20261123 AMAQI
19th Jul 20261134 AMAQI
19°C14/25°C
19th Jul 2026955 AMAQI
19th Jul 20261016 AMAQI
19th Jul 20261007 AMAQI
19th Jul 2026908 AMAQI
19th Jul 2026639 AMAQI
19th Jul 20265410 AMAQI
19th Jul 20262911 AMAQI
19th Jul 20263712 PMAQI
19th Jul 2026261 PMAQI
19th Jul 2026362 PMAQI
19th Jul 2026283 PMAQI
19th Jul 2026274 PMAQI
19th Jul 2026355 PMAQI
19th Jul 2026216 PMAQI
19th Jul 2026297 PMAQI
19th Jul 2026238 PMAQI
19th Jul 2026239 PMAQI
19th Jul 20262010 PMAQI
19th Jul 20262011 PMAQI
20th Jul 20261812 AMAQI
20th Jul 2026181 AMAQI
20th Jul 2026442 AMAQI
20th Jul 2026223 AMAQI
20th Jul 2026294 AMAQI
20°C16/25°C
20th Jul 2026205 AMAQI
20th Jul 2026246 AMAQI
20th Jul 2026207 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026309 AMAQI
20th Jul 20262310 AMAQI
20th Jul 20262111 AMAQI
20th Jul 20261212 PMAQI
20th Jul 2026111 PMAQI
20th Jul 2026152 PMAQI
20th Jul 2026203 PMAQI
20th Jul 2026424 PMAQI
20th Jul 2026215 PMAQI
20th Jul 2026326 PMAQI
20th Jul 2026287 PMAQI
20th Jul 2026318 PMAQI
20th Jul 2026309 PMAQI
20th Jul 20264110 PMAQI
21st Jul 20264212 AMAQI
21st Jul 2026281 AMAQI
21st Jul 2026402 AMAQI
21st Jul 2026243 AMAQI
21st Jul 2026344 AMAQI
20°C14/27°C
21st Jul 2026345 AMAQI
21st Jul 2026376 AMAQI
21st Jul 2026367 AMAQI
21st Jul 2026378 AMAQI
21st Jul 2026369 AMAQI
21st Jul 20264510 AMAQI
21st Jul 20264711 AMAQI
21st Jul 20264012 PMAQI
21st Jul 2026461 PMAQI
21st Jul 2026402 PMAQI
21st Jul 2026403 PMAQI
21st Jul 2026374 PMAQI
21st Jul 2026325 PMAQI
21st Jul 2026366 PMAQI
21st Jul 2026387 PMAQI
21st Jul 2026398 PMAQI
21st Jul 2026379 PMAQI
21st Jul 20262910 PMAQI
21st Jul 20262511 PMAQI
22nd Jul 20263012 AMAQI
22nd Jul 2026371 AMAQI
22nd Jul 2026332 AMAQI
22nd Jul 2026163 AMAQI
22nd Jul 2026254 AMAQI
19°C14/24°C
22nd Jul 2026305 AMAQI
22nd Jul 2026306 AMAQI
22nd Jul 2026237 AMAQI
22nd Jul 2026228 AMAQI
22nd Jul 2026299 AMAQI
22nd Jul 20262810 AMAQI
22nd Jul 20262311 AMAQI
22nd Jul 20262312 PMAQI
22nd Jul 2026361 PMAQI
22nd Jul 2026252 PMAQI
22nd Jul 2026423 PMAQI
22nd Jul 2026364 PMAQI
22nd Jul 2026345 PMAQI
22nd Jul 2026376 PMAQI
22nd Jul 2026277 PMAQI
22nd Jul 2026288 PMAQI
22nd Jul 2026299 PMAQI
22nd Jul 20262910 PMAQI
22nd Jul 20262511 PMAQI
23rd Jul 20262712 AMAQI
23rd Jul 2026251 AMAQI
23rd Jul 2026212 AMAQI
23rd Jul 2026253 AMAQI
23rd Jul 2026194 AMAQI
19°C17/22°C
23rd Jul 2026215 AMAQI
23rd Jul 202696 AMAQI
23rd Jul 2026127 AMAQI
23rd Jul 202698 AMAQI
23rd Jul 202699 AMAQI
23rd Jul 20261710 AMAQI
23rd Jul 20261211 AMAQI
23rd Jul 20261712 PMAQI
23rd Jul 2026181 PMAQI
23rd Jul 2026132 PMAQI
23rd Jul 2026143 PMAQI
23rd Jul 2026164 PMAQI
23rd Jul 2026425 PMAQI
23rd Jul 2026126 PMAQI
23rd Jul 2026217 PMAQI
23rd Jul 2026268 PMAQI
23rd Jul 2026259 PMAQI
23rd Jul 20262610 PMAQI
23rd Jul 20262611 PMAQI
24th Jul 20262612 AMAQI
24th Jul 2026261 AMAQI
24th Jul 2026292 AMAQI
24th Jul 2026313 AMAQI
24th Jul 2026224 AMAQI
20°C15/26°C
24th Jul 2026365 AMAQI
24th Jul 2026306 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026338 AMAQI
24th Jul 2026269 AMAQI
24th Jul 20262710 AMAQI
24th Jul 20263611 AMAQI
24th Jul 20264012 PMAQI
24th Jul 2026401 PMAQI
24th Jul 2026312 PMAQI
24th Jul 2026263 PMAQI
24th Jul 2026294 PMAQI
24th Jul 2026335 PMAQI
24th Jul 2026246 PMAQI
24th Jul 2026277 PMAQI
24th Jul 2026288 PMAQI
24th Jul 2026269 PMAQI
24th Jul 20263110 PMAQI
24th Jul 20263011 PMAQI
25th Jul 20263112 AMAQI
25th Jul 2026301 AMAQI
25th Jul 2026342 AMAQI
25th Jul 2026253 AMAQI
25th Jul 2026304 AMAQI
20°C13/27°C
25th Jul 2026385 AMAQI
25th Jul 2026346 AMAQI
25th Jul 2026407 AMAQI
25th Jul 2026448 AMAQI
25th Jul 2026349 AMAQI
25th Jul 20263410 AMAQI
25th Jul 20263211 AMAQI
25th Jul 20263412 PMAQI
25th Jul 2026351 PMAQI
25th Jul 2026392 PMAQI
25th Jul 2026313 PMAQI
25th Jul 2026394 PMAQI
25th Jul 2026405 PMAQI
25th Jul 2026396 PMAQI
25th Jul 2026327 PMAQI
25th Jul 2026378 PMAQI
25th Jul 2026309 PMAQI
25th Jul 20263410 PMAQI
25th Jul 20263411 PMAQI
26th Jul 20263212 AMAQI
26th Jul 2026481 AMAQI
26th Jul 2026342 AMAQI
26th Jul 2026283 AMAQI
26th Jul 2026384 AMAQI
19°C13/27°C
26th Jul 2026255 AMAQI
26th Jul 2026396 AMAQI
26th Jul 2026337 AMAQI
26th Jul 2026338 AMAQI
26th Jul 2026329 AMAQI
26th Jul 20263510 AMAQI
26th Jul 20265111 AMAQI
26th Jul 20264512 PMAQI
26th Jul 2026351 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026273 PMAQI
26th Jul 2026314 PMAQI
26th Jul 2026315 PMAQI
26th Jul 2026246 PMAQI
26th Jul 2026297 PMAQI
26th Jul 2026288 PMAQI
26th Jul 2026329 PMAQI
26th Jul 20263210 PMAQI
26th Jul 20262811 PMAQI
27th Jul 20263512 AMAQI
27th Jul 2026281 AMAQI
27th Jul 2026302 AMAQI
27th Jul 2026303 AMAQI
27th Jul 2026314 AMAQI
19°C12/27°C
27th Jul 2026345 AMAQI
27th Jul 2026326 AMAQI
27th Jul 2026337 AMAQI
27th Jul 2026268 AMAQI
27th Jul 2026379 AMAQI
27th Jul 20264110 AMAQI
27th Jul 20263811 AMAQI
27th Jul 20264012 PMAQI
27th Jul 2026461 PMAQI
27th Jul 2026432 PMAQI
27th Jul 2026393 PMAQI
27th Jul 2026424 PMAQI
27th Jul 2026415 PMAQI
27th Jul 2026396 PMAQI
27th Jul 2026287 PMAQI
27th Jul 2026308 PMAQI
27th Jul 2026299 PMAQI
27th Jul 20263710 PMAQI
27th Jul 20262411 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026261 AMAQI
28th Jul 2026242 AMAQI
28th Jul 2026263 AMAQI
28th Jul 2026274 AMAQI
19°C11/27°C
28th Jul 2026265 AMAQI
28th Jul 2026396 AMAQI
28th Jul 2026337 AMAQI
28th Jul 2026258 AMAQI
28th Jul 2026289 AMAQI
28th Jul 20263410 AMAQI
28th Jul 20264311 AMAQI
28th Jul 20263412 PMAQI
28th Jul 2026291 PMAQI
28th Jul 2026272 PMAQI
28th Jul 2026413 PMAQI
28th Jul 2026384 PMAQI
28th Jul 2026375 PMAQI
28th Jul 2026326 PMAQI
28th Jul 2026337 PMAQI
28th Jul 2026348 PMAQI
28th Jul 2026379 PMAQI
28th Jul 20263610 PMAQI
28th Jul 20262711 PMAQI
29th Jul 20263312 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026262 AMAQI
29th Jul 2026243 AMAQI
29th Jul 2026274 AMAQI
19°C13/25°C
29th Jul 2026275 AMAQI
29th Jul 2026346 AMAQI
29th Jul 2026357 AMAQI
29th Jul 2026328 AMAQI
29th Jul 2026369 AMAQI
29th Jul 20263410 AMAQI
29th Jul 20264011 AMAQI
29th Jul 20263612 PMAQI
29th Jul 2026381 PMAQI
29th Jul 2026262 PMAQI
29th Jul 2026523 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026445 PMAQI
29th Jul 2026266 PMAQI
29th Jul 2026397 PMAQI
29th Jul 2026268 PMAQI
29th Jul 2026349 PMAQI
29th Jul 20263310 PMAQI
29th Jul 20264511 PMAQI
30th Jul 20263012 AMAQI
30th Jul 2026291 AMAQI
30th Jul 2026352 AMAQI
30th Jul 2026243 AMAQI
30th Jul 2026354 AMAQI
17°C14/21°C
30th Jul 2026215 AMAQI
30th Jul 2026396 AMAQI
30th Jul 2026287 AMAQI
30th Jul 2026418 AMAQI
30th Jul 2026369 AMAQI
30th Jul 20264110 AMAQI
30th Jul 20263211 AMAQI
30th Jul 20264512 PMAQI
30th Jul 2026371 PMAQI
30th Jul 2026142 PMAQI
30th Jul 2026313 PMAQI
30th Jul 2026214 PMAQI
30th Jul 2026205 PMAQI
30th Jul 2026316 PMAQI
30th Jul 2026387 PMAQI
30th Jul 2026378 PMAQI
30th Jul 2026229 PMAQI
30th Jul 20262210 PMAQI
30th Jul 20262411 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026381 AMAQI
31st Jul 2026272 AMAQI
31st Jul 2026243 AMAQI
31st Jul 2026384 AMAQI
19°C17/23°C
31st Jul 2026405 AMAQI
31st Jul 2026306 AMAQI
31st Jul 2026397 AMAQI
31st Jul 2026288 AMAQI
31st Jul 2026309 AMAQI
31st Jul 20263510 AMAQI
31st Jul 20263211 AMAQI
31st Jul 20263112 PMAQI
31st Jul 2026281 PMAQI
31st Jul 2026352 PMAQI
31st Jul 2026283 PMAQI
31st Jul 2026304 PMAQI
31st Jul 2026315 PMAQI
31st Jul 2026316 PMAQI
31st Jul 2026247 PMAQI
31st Jul 2026228 PMAQI
31st Jul 2026249 PMAQI
31st Jul 20262710 PMAQI
31st Jul 20263211 PMAQI
1st Aug 20263112 AMAQI
1st Aug 2026391 AMAQI
1st Aug 2026402 AMAQI
1st Aug 2026383 AMAQI
1st Aug 2026234 AMAQI
21°C16/26°C
1st Aug 2026255 AMAQI
1st Aug 2026346 AMAQI
1st Aug 2026347 AMAQI
1st Aug 2026348 AMAQI
1st Aug 2026369 AMAQI
1st Aug 20263410 AMAQI
1st Aug 20263011 AMAQI
1st Aug 20263712 PMAQI
1st Aug 2026391 PMAQI
1st Aug 2026392 PMAQI
1st Aug 2026353 PMAQI
1st Aug 2026354 PMAQI
1st Aug 2026345 PMAQI
1st Aug 2026406 PMAQI
1st Aug 2026267 PMAQI
1st Aug 2026278 PMAQI
1st Aug 2026389 PMAQI
1st Aug 20263910 PMAQI
1st Aug 20263911 PMAQI
2nd Aug 20263212 AMAQI
2nd Aug 2026351 AMAQI
2nd Aug 2026332 AMAQI
2nd Aug 2026353 AMAQI
2nd Aug 2026344 AMAQI
21°C16/28°C
2nd Aug 2026355 AMAQI
2nd Aug 2026416 AMAQI
2nd Aug 2026357 AMAQI
2nd Aug 2026408 AMAQI
2nd Aug 2026339 AMAQI
2nd Aug 20264510 AMAQI
2nd Aug 20263711 AMAQI
2nd Aug 20264112 PMAQI
2nd Aug 2026391 PMAQI
2nd Aug 2026402 PMAQI
2nd Aug 2026413 PMAQI
2nd Aug 2026394 PMAQI
2nd Aug 2026385 PMAQI
2nd Aug 2026406 PMAQI
2nd Aug 2026367 PMAQI
2nd Aug 2026358 PMAQI
2nd Aug 2026309 PMAQI
2nd Aug 20263210 PMAQI
2nd Aug 20262311 PMAQI
3rd Aug 20262412 AMAQI
3rd Aug 2026331 AMAQI
3rd Aug 2026382 AMAQI
3rd Aug 2026363 AMAQI
3rd Aug 2026314 AMAQI
20°C17/27°C
3rd Aug 2026315 AMAQI
3rd Aug 2026366 AMAQI
3rd Aug 2026387 AMAQI
3rd Aug 2026298 AMAQI
3rd Aug 2026349 AMAQI
3rd Aug 20263310 AMAQI
3rd Aug 20264111 AMAQI
3rd Aug 20263512 PMAQI
3rd Aug 2026261 PMAQI
3rd Aug 2026342 PMAQI
3rd Aug 2026423 PMAQI
3rd Aug 2026374 PMAQI
3rd Aug 2026185 PMAQI
3rd Aug 2026256 PMAQI
3rd Aug 2026317 PMAQI
3rd Aug 2026298 PMAQI
3rd Aug 2026239 PMAQI
3rd Aug 20262610 PMAQI
3rd Aug 20262311 PMAQI
4th Aug 20261512 AMAQI
4th Aug 2026241 AMAQI
4th Aug 2026242 AMAQI
4th Aug 2026233 AMAQI
4th Aug 2026264 AMAQI
19°C17/21°C
4th Aug 2026265 AMAQI
4th Aug 2026206 AMAQI
4th Aug 2026237 AMAQI
4th Aug 2026178 AMAQI
4th Aug 2026179 AMAQI
4th Aug 2026910 AMAQI
4th Aug 2026811 AMAQI
4th Aug 20261112 PMAQI
4th Aug 2026231 PMAQI
4th Aug 2026172 PMAQI
4th Aug 2026393 PMAQI
4th Aug 2026384 PMAQI
4th Aug 2026335 PMAQI
4th Aug 2026376 PMAQI
4th Aug 2026357 PMAQI
4th Aug 2026358 PMAQI
4th Aug 2026259 PMAQI
4th Aug 20263910 PMAQI
4th Aug 20263311 PMAQI
5th Aug 20264312 AMAQI
5th Aug 2026321 AMAQI
5th Aug 2026422 AMAQI
5th Aug 2026323 AMAQI
5th Aug 2026394 AMAQI
23°C16/30°C
5th Aug 2026345 AMAQI
5th Aug 2026366 AMAQI
5th Aug 2026407 AMAQI
5th Aug 2026298 AMAQI
5th Aug 2026449 AMAQI
5th Aug 20263910 AMAQI
5th Aug 20263511 AMAQI
5th Aug 20265312 PMAQI
5th Aug 2026391 PMAQI
5th Aug 2026542 PMAQI
5th Aug 2026463 PMAQI
5th Aug 2026354 PMAQI
5th Aug 2026295 PMAQI
5th Aug 2026496 PMAQI
5th Aug 2026297 PMAQI
5th Aug 2026458 PMAQI
5th Aug 2026469 PMAQI
5th Aug 20264110 PMAQI
5th Aug 20263711 PMAQI
6th Aug 20263812 AMAQI
6th Aug 2026371 AMAQI
6th Aug 2026412 AMAQI
6th Aug 2026383 AMAQI
6th Aug 2026414 AMAQI
24°C18/32°C
6th Aug 2026425 AMAQI
6th Aug 2026416 AMAQI
6th Aug 2026377 AMAQI
6th Aug 2026418 AMAQI
6th Aug 2026379 AMAQI
6th Aug 20264210 AMAQI
6th Aug 20263911 AMAQI
6th Aug 20262812 PMAQI
6th Aug 2026431 PMAQI
6th Aug 2026472 PMAQI
6th Aug 2026403 PMAQI
6th Aug 2026504 PMAQI
6th Aug 2026385 PMAQI
6th Aug 2026256 PMAQI
6th Aug 2026227 PMAQI
6th Aug 2026418 PMAQI
6th Aug 2026419 PMAQI
6th Aug 20264510 PMAQI
6th Aug 20264511 PMAQI
7th Aug 20264212 AMAQI
7th Aug 2026381 AMAQI
7th Aug 2026332 AMAQI
7th Aug 2026323 AMAQI
7th Aug 2026374 AMAQI
25°C17/33°C
7th Aug 2026335 AMAQI
7th Aug 2026326 AMAQI
7th Aug 2026327 AMAQI
7th Aug 2026308 AMAQI
7th Aug 2026319 AMAQI
7th Aug 20263910 AMAQI
7th Aug 20263611 AMAQI
7th Aug 20263712 PMAQI
7th Aug 2026331 PMAQI
7th Aug 2026382 PMAQI
7th Aug 2026373 PMAQI
7th Aug 2026304 PMAQI
7th Aug 2026265 PMAQI
7th Aug 2026266 PMAQI
7th Aug 2026287 PMAQI
7th Aug 2026248 PMAQI
7th Aug 2026279 PMAQI
7th Aug 20263410 PMAQI
7th Aug 20263611 PMAQI
8th Aug 20263512 AMAQI
8th Aug 2026281 AMAQI
8th Aug 2026372 AMAQI
8th Aug 2026343 AMAQI
8th Aug 2026434 AMAQI
27°C21/34°C
8th Aug 2026325 AMAQI
5 AM8th Aug 2026346 AMAQI
8th Aug 2026347 AMAQI
8th Aug 2026248 AMAQI
8th Aug 2026219 AMAQI
8th Aug 20263210 AMAQI
8th Aug 20263711 AMAQI
8th Aug 20263712 PMAQI
12 PM8th Aug 2026361 PMAQI
8th Aug 2026362 PMAQI
8th Aug 2026353 PMAQI
8th Aug 2026334 PMAQI
8th Aug 2026325 PMAQI
8th Aug 2026336 PMAQI
8th Aug 2026267 PMAQI
8th Aug 2026288 PMAQI
8 PM8th Aug 2026269 PMAQI
8th Aug 20263410 PMAQI
8th Aug 20263311 PMAQI
12 AM
4 AM
22°C19/28°C
Day time
Avg. Highest Time
6 AM
33AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
7 PM
27AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 6 AM (Avg. 33), while the lowest AQI was between 7 PM to 7 PM (Avg. 27).
Night time
Avg. Highest Time
4 AM
32AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM
27AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 4 AM (Avg. 32), while the lowest AQI was between 12 AM to 12 AM (Avg. 27).
2026 Days Vs Air Quality
Bar Harbor, Maine, United States
2026
97%
210
3%
7
Total number of days with different AQI categories in last 220 days in 2026 (145 days remaining)
Good
210 DaysModerate
7 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2026, 97% of 220 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Bar Harbor, Maine, United States
AQI levels in 2026
AQI (US)
PM₂.₅
PM₁₀
CO
SO₂
NO₂
O₃
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
14AQI (US)
14AQI (US)
2nd January 2026
9AQI (US)
9AQI (US)
3rd January 2026
8AQI (US)
8AQI (US)
4th January 2026
12AQI (US)
12AQI (US)
5th January 2026
29AQI (US)
29AQI (US)
6th January 2026
34AQI (US)
34AQI (US)
7th January 2026
29AQI (US)
29AQI (US)
8th January 2026
17AQI (US)
17AQI (US)
9th January 2026
20AQI (US)
20AQI (US)
10th January 2026
12AQI (US)
12AQI (US)
11th January 2026
10AQI (US)
10AQI (US)
12th January 2026
10AQI (US)
10AQI (US)
13th January 2026
14AQI (US)
14AQI (US)
14th January 2026
34AQI (US)
34AQI (US)
15th January 2026
31AQI (US)
31AQI (US)
16th January 2026
20AQI (US)
20AQI (US)
17th January 2026
11AQI (US)
11AQI (US)
18th January 2026
22AQI (US)
22AQI (US)
19th January 2026
17AQI (US)
17AQI (US)
20th January 2026
19AQI (US)
19AQI (US)
21st January 2026
12AQI (US)
12AQI (US)
22nd January 2026
37AQI (US)
37AQI (US)
23rd January 2026
49AQI (US)
49AQI (US)
24th January 2026
34AQI (US)
34AQI (US)
25th January 2026
35AQI (US)
35AQI (US)
26th January 2026
47AQI (US)
47AQI (US)
27th January 2026
36AQI (US)
36AQI (US)
28th January 2026
27AQI (US)
27AQI (US)
29th January 2026
37AQI (US)
37AQI (US)
30th January 2026
51AQI (US)
51AQI (US)
31st January 2026
44AQI (US)
44AQI (US)
1st February 2026
35AQI (US)
35AQI (US)
2nd February 2026
42AQI (US)
42AQI (US)
3rd February 2026
53AQI (US)
53AQI (US)
4th February 2026
48AQI (US)
48AQI (US)
5th February 2026
51AQI (US)
51AQI (US)
6th February 2026
49AQI (US)
49AQI (US)
7th February 2026
39AQI (US)
39AQI (US)
8th February 2026
32AQI (US)
32AQI (US)
9th February 2026
45AQI (US)
45AQI (US)
10th February 2026
41AQI (US)
41AQI (US)
11th February 2026
32AQI (US)
32AQI (US)
12th February 2026
30AQI (US)
30AQI (US)
13th February 2026
37AQI (US)
37AQI (US)
14th February 2026
47AQI (US)
47AQI (US)
15th February 2026
36AQI (US)
36AQI (US)
16th February 2026
42AQI (US)
42AQI (US)
17th February 2026
41AQI (US)
41AQI (US)
18th February 2026
38AQI (US)
38AQI (US)
19th February 2026
44AQI (US)
44AQI (US)
20th February 2026
50AQI (US)
50AQI (US)
21st February 2026
31AQI (US)
31AQI (US)
22nd February 2026
30AQI (US)
30AQI (US)
23rd February 2026
36AQI (US)
36AQI (US)
24th February 2026
40AQI (US)
40AQI (US)
25th February 2026
43AQI (US)
43AQI (US)
26th February 2026
34AQI (US)
34AQI (US)
27th February 2026
38AQI (US)
38AQI (US)
28th February 2026
29AQI (US)
29AQI (US)
1st March 2026
37AQI (US)
37AQI (US)
2nd March 2026
54AQI (US)
54AQI (US)
3rd March 2026
38AQI (US)
38AQI (US)
4th March 2026
39AQI (US)
39AQI (US)
5th March 2026
30AQI (US)
30AQI (US)
6th March 2026
24AQI (US)
24AQI (US)
7th March 2026
43AQI (US)
43AQI (US)
8th March 2026
39AQI (US)
39AQI (US)
9th March 2026
37AQI (US)
37AQI (US)
10th March 2026
34AQI (US)
34AQI (US)
11th March 2026
39AQI (US)
39AQI (US)
12th March 2026
36AQI (US)
36AQI (US)
13th March 2026
38AQI (US)
38AQI (US)
14th March 2026
30AQI (US)
30AQI (US)
15th March 2026
25AQI (US)
25AQI (US)
16th March 2026
30AQI (US)
30AQI (US)
17th March 2026
30AQI (US)
30AQI (US)
18th March 2026
24AQI (US)
24AQI (US)
19th March 2026
27AQI (US)
27AQI (US)
20th March 2026
29AQI (US)
29AQI (US)
21st March 2026
33AQI (US)
33AQI (US)
22nd March 2026
37AQI (US)
37AQI (US)
23rd March 2026
42AQI (US)
42AQI (US)
24th March 2026
30AQI (US)
30AQI (US)
25th March 2026
31AQI (US)
31AQI (US)
26th March 2026
16AQI (US)
16AQI (US)
27th March 2026
20AQI (US)
20AQI (US)
28th March 2026
22AQI (US)
22AQI (US)
29th March 2026
13AQI (US)
13AQI (US)
30th March 2026
20AQI (US)
20AQI (US)
31st March 2026
20AQI (US)
20AQI (US)
1st April 2026
30AQI (US)
30AQI (US)
2nd April 2026
28AQI (US)
28AQI (US)
3rd April 2026
25AQI (US)
25AQI (US)
4th April 2026
29AQI (US)
29AQI (US)
5th April 2026
28AQI (US)
28AQI (US)
6th April 2026
31AQI (US)
31AQI (US)
7th April 2026
27AQI (US)
27AQI (US)
8th April 2026
30AQI (US)
30AQI (US)
9th April 2026
24AQI (US)
24AQI (US)
10th April 2026
21AQI (US)
21AQI (US)
11th April 2026
26AQI (US)
26AQI (US)
12th April 2026
25AQI (US)
25AQI (US)
13th April 2026
22AQI (US)
22AQI (US)
14th April 2026
21AQI (US)
21AQI (US)
15th April 2026
27AQI (US)
27AQI (US)
16th April 2026
28AQI (US)
28AQI (US)
17th April 2026
18th April 2026
25AQI (US)
25AQI (US)
19th April 2026
32AQI (US)
32AQI (US)
20th April 2026
23AQI (US)
23AQI (US)
21st April 2026
23AQI (US)
23AQI (US)
22nd April 2026
23rd April 2026
19AQI (US)
19AQI (US)
24th April 2026
17AQI (US)
17AQI (US)
25th April 2026
25AQI (US)
25AQI (US)
26th April 2026
31AQI (US)
31AQI (US)
27th April 2026
22AQI (US)
22AQI (US)
28th April 2026
22AQI (US)
22AQI (US)
29th April 2026
21AQI (US)
21AQI (US)
30th April 2026
22AQI (US)
22AQI (US)
1st May 2026
24AQI (US)
24AQI (US)
2nd May 2026
20AQI (US)
20AQI (US)
3rd May 2026
21AQI (US)
21AQI (US)
4th May 2026
32AQI (US)
32AQI (US)
5th May 2026
33AQI (US)
33AQI (US)
6th May 2026
25AQI (US)
25AQI (US)
7th May 2026
24AQI (US)
24AQI (US)
8th May 2026
24AQI (US)
24AQI (US)
9th May 2026
10th May 2026
24AQI (US)
24AQI (US)
11th May 2026
20AQI (US)
20AQI (US)
12th May 2026
20AQI (US)
20AQI (US)
13th May 2026
21AQI (US)
21AQI (US)
14th May 2026
15AQI (US)
15AQI (US)
15th May 2026
45AQI (US)
45AQI (US)
16th May 2026
47AQI (US)
47AQI (US)
17th May 2026
48AQI (US)
48AQI (US)
18th May 2026
52AQI (US)
52AQI (US)
19th May 2026
52AQI (US)
52AQI (US)
20th May 2026
47AQI (US)
47AQI (US)
21st May 2026
40AQI (US)
40AQI (US)
22nd May 2026
38AQI (US)
38AQI (US)
23rd May 2026
43AQI (US)
43AQI (US)
24th May 2026
42AQI (US)
42AQI (US)
25th May 2026
44AQI (US)
44AQI (US)
26th May 2026
19AQI (US)
19AQI (US)
27th May 2026
13AQI (US)
13AQI (US)
28th May 2026
14AQI (US)
14AQI (US)
29th May 2026
15AQI (US)
15AQI (US)
30th May 2026
15AQI (US)
15AQI (US)
31st May 2026
12AQI (US)
12AQI (US)
1st June 2026
14AQI (US)
14AQI (US)
2nd June 2026
12AQI (US)
12AQI (US)
3rd June 2026
12AQI (US)
12AQI (US)
4th June 2026
14AQI (US)
14AQI (US)
5th June 2026
17AQI (US)
17AQI (US)
6th June 2026
15AQI (US)
15AQI (US)
7th June 2026
14AQI (US)
14AQI (US)
8th June 2026
13AQI (US)
13AQI (US)
9th June 2026
13AQI (US)
13AQI (US)
10th June 2026
12AQI (US)
12AQI (US)
11th June 2026
16AQI (US)
16AQI (US)
12th June 2026
15AQI (US)
15AQI (US)
13th June 2026
12AQI (US)
12AQI (US)
14th June 2026
14AQI (US)
14AQI (US)
15th June 2026
14AQI (US)
14AQI (US)
16th June 2026
12AQI (US)
12AQI (US)
17th June 2026
33AQI (US)
33AQI (US)
18th June 2026
22AQI (US)
22AQI (US)
19th June 2026
16AQI (US)
16AQI (US)
20th June 2026
16AQI (US)
16AQI (US)
21st June 2026
12AQI (US)
12AQI (US)
22nd June 2026
13AQI (US)
13AQI (US)
23rd June 2026
14AQI (US)
14AQI (US)
24th June 2026
12AQI (US)
12AQI (US)
25th June 2026
23AQI (US)
23AQI (US)
26th June 2026
25AQI (US)
25AQI (US)
27th June 2026
25AQI (US)
25AQI (US)
28th June 2026
24AQI (US)
24AQI (US)
29th June 2026
19AQI (US)
19AQI (US)
30th June 2026
13AQI (US)
13AQI (US)
1st July 2026
13AQI (US)
13AQI (US)
2nd July 2026
24AQI (US)
24AQI (US)
3rd July 2026
22AQI (US)
22AQI (US)
4th July 2026
24AQI (US)
24AQI (US)
5th July 2026
20AQI (US)
20AQI (US)
6th July 2026
14AQI (US)
14AQI (US)
7th July 2026
14AQI (US)
14AQI (US)
8th July 2026
14AQI (US)
14AQI (US)
9th July 2026
15AQI (US)
15AQI (US)
10th July 2026
13AQI (US)
13AQI (US)
11th July 2026
14AQI (US)
14AQI (US)
12th July 2026
17AQI (US)
17AQI (US)
13th July 2026
21AQI (US)
21AQI (US)
14th July 2026
19AQI (US)
19AQI (US)
15th July 2026
29AQI (US)
29AQI (US)
16th July 2026
15AQI (US)
15AQI (US)
17th July 2026
31AQI (US)
31AQI (US)
18th July 2026
41AQI (US)
41AQI (US)
19th July 2026
56AQI (US)
56AQI (US)
20th July 2026
25AQI (US)
25AQI (US)
21st July 2026
37AQI (US)
37AQI (US)
22nd July 2026
29AQI (US)
29AQI (US)
23rd July 2026
19AQI (US)
19AQI (US)
24th July 2026
30AQI (US)
30AQI (US)
25th July 2026
35AQI (US)
35AQI (US)
26th July 2026
33AQI (US)
33AQI (US)
27th July 2026
35AQI (US)
35AQI (US)
28th July 2026
32AQI (US)
32AQI (US)
29th July 2026
34AQI (US)
34AQI (US)
30th July 2026
30AQI (US)
30AQI (US)
31st July 2026
30AQI (US)
30AQI (US)
1st August 2026
34AQI (US)
34AQI (US)
2nd August 2026
36AQI (US)
36AQI (US)
3rd August 2026
31AQI (US)
31AQI (US)
4th August 2026
25AQI (US)
25AQI (US)
5th August 2026
40AQI (US)
40AQI (US)
6th August 2026
39AQI (US)
39AQI (US)
7th August 2026
33AQI (US)
33AQI (US)
8th August 2026
32AQI (US)
32AQI (US)
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
25AQI (US)
40AQI (US)
31AQI (US)
25AQI (US)
30AQI (US)
16AQI (US)
25AQI (US)
34AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202628AQI (US)
30
1
26
2
30
1
28
28
2
30
30
1
8
210
7
Highest AQI (US) recorded in
February40AQI (US)
Lowest AQI (US) recorded in
June16AQI (US)
202524AQI (US)
31
28
31
30
31
23
7
24
7
25
6
30
31
30
31
345
20
Highest AQI (US) recorded in
July38AQI (US)
Lowest AQI (US) recorded in
November17AQI (US)
202419AQI (US)
30
29
31
30
31
29
1
29
2
28
3
30
31
30
31
359
6
Highest AQI (US) recorded in
July26AQI (US)
Lowest AQI (US) recorded in
November16AQI (US)
202321AQI (US)
30
28
31
30
31
25
5
31
29
2
24
6
27
1
29
31
346
14
Highest AQI (US) recorded in
July27AQI (US)
Lowest AQI (US) recorded in
November16AQI (US)
202219AQI (US)
30
21
31
30
31
30
21
3
2
29
31
30
26
1
312
4
Highest AQI (US) recorded in
July32AQI (US)
Lowest AQI (US) recorded in
August14AQI (US)
202119AQI (US)
29
28
31
30
31
29
1
28
3
28
3
30
31
27
31
353
7
Highest AQI (US) recorded in
August28AQI (US)
Lowest AQI (US) recorded in
December14AQI (US)
202014AQI (US)
13
18
18
30
31
31
30
31
30
31
263
Highest AQI (US) recorded in
March18AQI (US)
Lowest AQI (US) recorded in
October12AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2026(Avg.)
28AQI (US)Least Polluted Year Recorded
2020(Avg.)
14AQI (US)Bar Harbor's annual 2026 AQI (US) (28) shows an average percentage change of 48.6% (worsened AQI (US)) compared to previous years: 2020 (14), 2021 (19), 2022 (19), 2023 (21), 2024 (19), 2025 (24).
